Check the listing for details. Rechargeable Mouse Wireless Silent LED Backlit Mice USB Optical. Condition: New. Listed at 10.80 USD. 2.4GHz Stable ConnectionStable wireless transmission distance up to 10m. Plug and play, no delay or drop out. (USB receiver is stored in the bottom of the mouse)Colorful Light & Metal Base Design7 Colorful LED breathing light change alternately, soothing light lights up the mouse in dark, can not be set to one specific color.Energy-saving(1)The LED light can be turned off by the bottom light switch. (2)It will auto sleep after 8 minutes of inactivity for power saving.Accurate TrackingThe slim wireless mouse has 3 DPI level (800-1200-1600) to meet your different demands, experience smooth tracking on most surfaces.Ergonomic DesignSlim ergonomic design and smooth frosted surface for an incredible user experience. And the symmetrical design allows it to fit both hands.How to Use1. Charge the mouse for about 2 hours before using it for the first time.2. Take the dongle out, which is stored under the back of the mouse.3. Insert the dongle into the USB port of your PC.4. Turn on the mouse, the switch is at the bottom of the mouse.5. Allow a few seconds for installing, no action needed, just wait. Then you can use it. Package:1. Wireless mouse USB Charging cable1. USB Receiver(stored at the mouse bottom)1. User Manual